Memory Management Overhead

Source code: oil/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 35 4 10 12.0 17.8 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 149 24 62 46.1 51.5 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 9 1 1 2.6 8.4 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.5 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,291 478 3 85,342 1 42,671 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
23 23 0 3.1 bash -
104 46 64 3.4 zsh -
16 12 4 28.1 bumpleak/osh mut
19 19 0 30.2 _bin/cxx-opt+bumproot/osh mut
23 18 5 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 8 21 25.2 osh-native mut+alloc
31 27 4 25.7 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 32 4 17.8 osh-native mut+alloc+free+gc+exit
43 31 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 41 8 21.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
22 22 0 1.6 dash -
77 77 0 3.3 bash -
376 207 190 3.5 zsh -
48 40 8 85.5 bumpleak/osh mut
59 55 4 86.1 _bin/cxx-opt+bumproot/osh mut
71 50 21 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 76 20 73.5 osh-native mut+alloc
106 69 36 75.1 osh-native mut+alloc+free
149 117 31 51.5 osh-native mut+alloc+free+gc
152 119 32 50.5 osh-native mut+alloc+free+gc+exit
140 108 32 97.3 _bin/cxx-opt+nopool/osh mut+alloc
215 179 37 73.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 10.2 bumpleak/osh mut
6 0 6 10.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 10 0 1.4 dash -
29 29 0 2.9 bash -
24 24 0 3.4 zsh -
19 15 4 31.1 bumpleak/osh mut
26 26 0 33.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.2 osh-native mut+alloc
39 30 9 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
73 69 4 3.0 bash -
170 101 69 55.4 bumpleak/osh mut
180 127 52 54.3 _bin/cxx-opt+bumproot/osh mut
192 124 68 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 153 56 46.9 osh-native mut+alloc
216 156 60 48.9 osh-native mut+alloc+free
180 111 68 8.5 osh-native mut+alloc+free+gc
181 124 56 8.4 osh-native mut+alloc+free+gc+exit
233 130 103 62.6 _bin/cxx-opt+nopool/osh mut+alloc
209 164 44 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 8 1 3.4 dash -
20 14 6 4.5 bash -
18 11 7 3.4 zsh -
20 15 5 12.6 bumpleak/osh mut
19 14 6 11.6 _bin/cxx-opt+bumproot/osh mut
21 11 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
23 12 11 11.0 osh-native mut+alloc+free
22 17 6 8.8 osh-native mut+alloc+free+gc
23 11 12 8.9 osh-native mut+alloc+free+gc+exit
25 7 18 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 17 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc